src/search/mock_search.py

   1 # -*- coding: utf-8 -*-
   2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   4 #
   5 from mock import Mock
   6 from catalogue.models import Book, Tag
   7 from random import randint, choice
   8
   9
  10 class Search(Mock):
  11     """
  12     Search mock for development without setting up Solr.
  13
  14     Instead of connecting to an actual search server, it returns
  15     some random results for any query.
  16     """
  17     class MockIndex(Mock):
  18         def analyze(*args, **kwargs):
  19             return []
  20
  21     index = MockIndex()
  22
  23     @staticmethod
  24     def _find_some_books(snippets=False, query_terms=None, max_results=20):
  25         from .index import SearchResult
  26
  27         qs = Book.objects.order_by('?')
  28         if snippets:
  29             qs = qs.exclude(fragments=None)
  30         results = []
  31         for book in qs[:randint(1, max_results)]:
  32             doc = {
  33                 'score': randint(0, 100),
  34                 'book_id': book.pk,
  35                 'published_date': randint(1000, 1920),
  36                 }
  37             if snippets:
  38                 fragment = book.fragments.order_by('?')[0]
  39                 doc.update({
  40                     'header_type': choice(['strofa', 'akap']),
  41                     'header_index': randint(100, 200),
  42                     'header_span': randint(100, 200),
  43                     'fragment_anchor': fragment.anchor,
  44                     'snippets_position': randint(100, 200),
  45                     'snippets_length': randint(100, 200),
  46                     'snippets_revision': randint(1, 100),
  47                     'themes_pl': fragment.tags.filter(category='theme'),
  48                 })
  49             res = SearchResult(doc, how_found='mock', query_terms=query_terms)
  50             if snippets:
  51                 res.snippets = [fragment.short_text]
  52             results.append(res)
  53         return results
  54
  55     def search_phrase(self, searched, field='text', book=False,
  56             filters=None, snippets=False):
  57         return self._find_some_books(snippets)
  58
  59     def search_some(self, searched, fields, book=True, filters=None, snippets=True, query_terms=None):
  60         return self._find_some_books(snippets, query_terms)
  61
  62     def search_books(self, query, filters=None, max_results=10):
  63         return self._find_some_books(snippets, max_results=max_results)
  64
  65     def search_everywhere(self, searched, query_terms=None):
  66         return []
  67
  68     def hint_tags(self, query, pdcounter=True, prefix=True):
  69         return Tag.objects.exclude(category='set').order_by('?')[:randint(1, 10)]
  70
  71     def hint_books(self, prefix):
  72         return Book.objects.order_by('?')[:randint(1, 10)]